Be sure that your older Mac can run Catalina. Which model is it? You can check it yourself with Mactracker if you like. You should also check out macOS Catalina - Technical Specifications
Last edited by jchuzi; 10/02/20 07:09 PM.
Jon
macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365
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